header#head {
    position: absolute;
    width: 100%;
    z-index: 10;}

.f-midashiB strong{
    font-family: a-otf-midashi-go-mb31-pr6n, sans-serif;
}

#Contents * {
    -webkit-font-smoothing: auto !important;
}

header#head, footer {
    font-family: pi, YakuHanJP, 'Noto Sans JP', 'ヒラギノ角ゴ ProN W3', 'Hiragino Kaku Gothic ProN', 'メイリオ', Meiryo, sans-serif!important;
}

sub {
    vertical-align: sub;
}

@media only screen and (min-width: 769px), print {
    .backToTop {
        z-index: 2000;
        width: 20%;
        opacity: 0 !important;
    }
}

@media only screen and (max-width: 768px), print {
    .backToTop {
        opacity: 1 !important;
    }
}